Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {15, 9, 3, 29, 27, 2} → ______
- Prime numbers in {9, 3, 11, 12, 13, 25} → ______
- Prime numbers in {11, 2, 8, 13, 7, 12} → ______
- Prime numbers in {7, 29, 21, 25, 2, 5} → ______
- Prime numbers in {3, 25, 23, 19, 21, 2} → ______
- Prime numbers in {7, 25, 9, 19, 21, 5} → ______
- Prime numbers in {13, 2, 5, 19, 21, 12} → ______
- Prime numbers in {17, 8, 12, 23, 19, 15} → ______
- Prime numbers in {2, 29, 23, 25, 11, 8} → ______
- Prime numbers in {2, 9, 17, 11, 25, 3} → ______
- Prime numbers in {21, 23, 13, 19, 5, 15} → ______
- Prime numbers in {25, 9, 15, 11, 23, 2} → ______
- Prime numbers in {12, 9, 7, 25, 13, 8} → ______
- Prime numbers in {12, 27, 19, 23, 21, 13} → ______
- Prime numbers in {2, 7, 27, 23, 17, 15} → ______
- Prime numbers in {15, 27, 29, 17, 13, 9} → ______
- Prime numbers in {25, 8, 11, 12, 23, 5} → ______
- Prime numbers in {5, 3, 27, 8, 29, 19} → ______
- Prime numbers in {5, 23, 13, 29, 7, 17} → ______
- Prime numbers in {12, 25, 13, 15, 21, 5} → ______